| COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 6.0 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 8.0 MILLIMETERS MINIMUM |
| HEAD HEIGHT | 2.7 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | TYPE 1 CROSS RECESSED FLAT COUNTERSUNK HEAD MACHINE SCREW |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F738 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| STRENGTH GRADE DESIGNATION | A1 - 50 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 0.7 |
| THREAD SERIES DESIGNATOR | M |
| THREAD LENGTH | 6.0 MILLIMETERS NOMINAL |